Island



J. BOOTH. RING TRAVELER.

(No Model.)

No. 577,228. Patented Feb. 16, 1897.

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JOHN BOOTH, OF CENTRAL FALLS, RHODE ISLAND, ASSIGNOR OF ONE-HALF TO CHARLES D. WOOD, OF LINCOLN, RHODE ISLAND.

RING-=TRAVELER.

SPEGIFICATIONforming part of Letters Patent No. 577,228, dated February 16, 1897. Application filed December 15,1896. Serial No. 615,756. (No model.)

To all whom it may concern:

Be it known that 1, JOHN Boorn, of Central Falls, in the county of Providence and State of Rhode Island, have invented certain new and useful Improvements in Ring-Travelers, of which the following is a specification.

This invention relates to ring-travelers for ringspinning machines, and has for its object to provide a ring-traveler which will run more smoothly and with less frictional resistance and wear than the ordinary form of ring-traveler now in use.

The invention consists in a ring-traveler formed as a part of a helical convolution the end portions of which are bent within the circle of the helix.

Of the accompanying drawings, forming a part of this specification, Figure 1 represents a top view of a portion of a spinning-ring provided with my improved traveler. Fig. 2 represents a perspective View of the traveler removed from the ring. Fig. 3 represents a top view of a portion of the ring and traveler on a larger scale. Fig. 4 represents a perspective View of a traveler of ordinary form. Fig. 5 represents a top view of a portion of a ring having the ordinary form of traveler shown in Fig. 4..

The same letters and numerals of reference indicate the same parts in all the figures.

In the drawings, a represents myimproved ring-traveler, which is formed as a part of a convolution of a helix, and comprises a semicircular body portion 2 and the inwardly-bent end portions or arms 3 3. The traveler may be made by winding a length of wire helically upon a mandrel which is semicircular upon one side and flat upon the other to make each convolution partially semicircular and partially flat, and then cutting through the fiat portions of the convolutions and removing sufficient material to form the desired space between the ends of the arms 3 3. The helical form thusimparted to the traveler locates the arms 3 3 in different planes, the arms being substantially parallel with each other, and gives the internal surface of the traveler such form that when it is being moved upon the ring by the draft of the thread or yarn upon it the portion of the traveler that bears upon the inner lip of the ring I) will lie fiat against said lip and therefore run smoothly thereon with the minimum of friction and wear. I have found by practical experience that theimproved helical traveler runs much more easily and with less wear than the ordinary traveler a (illustrated in Figs. 4 and 5.) Said traveler has its semicircular portion and arms formed in the same plane, the arms be ing arranged so that if extended they would meet, as indicated by dotted lines in Fig. 4. A traveler of this form when moved upon the ring will bear upon the inner lip of the ring at one corner, as indicated at m in Fig. 5. Consequently the traveler will to a certain extent bind upon the ring and its wear will be uneven and will be greater at the point ccthan at other parts of the traveler. These objections are entirely avoided by the improved form shown in Figs. 1, 2, and 3.

Another and important advantage resulting from myimproved form of traveler is that its helical form enables it to be expanded or sprung open to engage it with the ring by a torsional strain on the traveler, the movement of the arms 3 3 away from each other being partially edgewise instead of wholly endwise. The strain thus exerted is less liable to break the traveler than the strain involved in springing a traveler of ordinary form onto the ring, the arms having to be moved entirely endwise away from each other to properly separate them. Ordinary travelers are often broken in springing them onto the ring, particularly if they are highly tempered.

My improvement enables me to temper the travelers to a higher degree of hardness than has been found practicable heretofore, owing to the liability of breaking the travelers in springing them onto the ring.

I claim-= 1. A ring-traveler formed as a part of a helical convolution, the end portions of which are bent within the circle of the helix.

2. A ring-traveler having its end portions arranged substantially parallel with each other, in difierent planes, the said planes being oblique to the plane of the body portion of the traveler.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, this 11th day of December, A. D. 1896.

JOHN BOOTH.

/Vitnesses:

CHARLES 1). W001), A. D. HARRISON. 

